The Delisting Technical Support Document presents extensive information delineating all chemical release, exposure and risk assessment algorithms employed by the DRAS program.
The document consists of six chapters -- Introduction, Estimation of Chemical Releases and Media Concentrations, Exposure Scenario Selection, Quantitative Estimation of Risk, Uncertainty and References -- and an appendix, which is broken up into six parts --A-1, A-1b, A-2, A-3. A-4 and A-5.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Chapter 1 through 6 of the Delisting Technical Support Document (PDF)(202 pp, 2 MB, updated October 31, 2008)
- Appendix A-1 to the Delisting Technical Support Document (PDF)(562 pp, 3 MB)
- Appendix A-1b to the Delisting Technical Support Document (PDF)(147 pp, 1 MB)
- Appendix A-2 to the Delisting Technical Support Document (PDF)(3 pp, 50 K)
- Appendix A-3 to the Delisting Technical Support Document (PDF)(7 pp, 69 K)
- Appendix A-4 to the Delisting Technical Support Document (PDF)(10 pp, 137 K)
- Appendix A-5 to the Delisting Technical Support Document (PDF)(3 pp, 46 K)